ENThis study focuses on LIMIS (Lithuanian Integral Museum Information System) and Lithuanian public museums, in order to examine the effect of theory to practices of digitization. The complete survey of Lithuanian public museum is conducted (N=69), and the official statistics of Lithuanian museums is referred. The first analysis, Wilcoxon signed-rank test to examine the improvement of digitization environment in subjected museums after LIMIS implementation; as a result, the environment statistically significantly improved between 2008 and 2017. The second analysis, multivariate analysis of covariance (ANCOVA) examines the key factors for the quantity of digitization; as a total result amount of budget for each museum matters for an annual and total number of digitized exhibits. The discussion draws that LIMIS improved the practices of Lithuanian museum, though the significance of digitization in museums is still unstable. Keywords: digital heritage – Lithuania – LIMIS – Wilcoxon signed-rank test. [From the publication]